Abstract: A belt drive is provided which includes a circulating belt (8) which is driven by at least one drive element (9) and which drives at least one driven element (10). At least one first tensioning device (20) acts upon the belt (8) in the slack strand and at least one second tensioning device acts in the tightened strand. To prevent or reduce jumps and/or transverse oscillations of the belt (8), the second device (21) guides the belt (8) and at least one third device (22) which is arranged radially inside the belt drive, which is suitable, optionally, limits deviations of the belt (8). The second device (30, 40, 50, 60, 70, 80, 90, 100) also tensions the belt (8) in such a manner that it is subjected to a force (F1) which is smaller than the force (F2) which is oriented counter thereto during the operation of the belt (8) on the second tensioning device (30, 40, 50, 60, 70, 80, 90, 100).

Abstract: A paper roll mounting device, configured to enable a paper roll to be supported by a paper roll supporting means provided to each arm of pairs of arms by rotary-driving a female screw member to individually move each arm in a direction parallel to a rotating shaft, is provided with: a female screw rotation amount signal output means provided to output a rotation amount signal corresponding to a rotation amount of the respective female screw member, individually on a female screw member basis, in response to rotation of the female screw member; and an arm stop position control unit configured to enable setting of a reference position for each of the arms, and, when changing a position of each of the arms in an axis direction of the rotating shaft, to enable input designation of a stop position of each of the arms, and to detect a current position of the arms with respect to the reference position by calculating a movement amount of the arms based on the rotation amount signal, and thereby move each of the arms

Abstract: A bicycle chain tensioner is provided with a bracket, a tensioner arm, a securing position adjustment mechanism and a chain engaging member. The bracket has a bicycle axle mounting portion and an arm attachment portion. The tensioner arm is adjustably secured to the arm attachment portion of the bracket. The securing position adjustment mechanism selectively fixes the tensioner arm with respect to the bracket in one of a plurality of the securing positions. The chain engaging member is attached to the tensioner arm.

Abstract: A mechanical tensioner that includes a pulley arm with a tension pulley for a tension element drive of an internal combustion engine. The pulley arm is mounted to a mounting base that is fixedly attached to the engine. A spring that functions in compression and torsion is located about a pivot axis on the mounting base, with one end connected to the pulley arm and the other end attached to the mounting base. The spring provides torsion to the pulley arm to maintain tension on the tension element, and is also compressed between a mounting flange of the pulley arm and a support flange on the mounting base to transmit an axial force between the pulley arm and an outer hub that is fixed to the mounting base. A shaped bush which functions at least as a damping element, and can also function as a bearing, is located in the space between the outer hub and the pulley arm.

Abstract: A vehicle power transmission device mounted on a vehicle for transmitting power from a power generating source to an axle through a gear train accommodated in a case, including: a lubricating pump that is driven by the power generating source and is capable of supplying a lubricating medium to an element to be lubricated; a lubricating medium storage portion that stores the lubricating medium; a lowermost gear that is located at a lowest position in the case; a topmost gear that is located at a highest position in the case; a lubrication flow path that guides the lubricating medium scooped up by the lowermost gear and carried by the gear train to a predetermined element to be lubricated; and a guide portion that guides the lubricating medium scooped up by the lowermost gear and carried by the gear train to an inlet of the lubrication flow path.

Abstract: A winder for winding a web to produce a rolled product is provided. The winder includes a web transport apparatus that is used for conveying the web. Also included in one exemplary embodiment is a plurality of independent winding modules. The winding modules are independently positioned to independently engage the web as the web is conveyed by the web transport apparatus. The winding modules may be configured to wind the web to form a rolled product by center winding, surface winding, and combinations of center and surface winding. The winding modules are structurally and operationally independent of one another where if one module is disabled, another may still operate to produce the rolled product without shutting down the winder.

Abstract: A pulley assembly has a first body to engage a power transmission belt. The first body is rotatable around a first axis. A second body is movable relative to the first body around the first axis. First and second axially spaced elastic members each has a radially inner portion and a radially outer portion. One of: (a) the radially inner portions of the first and second members; and (b) the radially outer portions of the first and second members are: (i) coupled to move together around the first axis; and (ii) each movable relative to the first and second bodies around the first axis. The other of: (a) the radially inner portions of the first and second members; and (b) the radially outer portions of the first and second members are fixedly coupled, one each to the first and second bodies, to follow movement of the first and second bodies around the first axis.

Abstract: A pulley assembly for a flexible motor vehicle transmission, comprising a supporting member rotatable about an axis, a pulley adapted to cooperate with a belt and connected to the supporting member to be rotatable about said axis with respect to the supporting member, elastic spiral means interposed between the supporting element and the pulley and comprising a sliding portion elastically loaded in radial direction against a sliding wall carried by one of either the supporting members or the pulley for tangential force drive coupling pulley to the supporting member. In particular, the elastic spiral means comprise a supporting element and sliding portion comprising at least one runner carried by the supporting element and sliding along the sliding walls.

Abstract: An oil circulation system for a gas turbine engine includes a variable displacement scavenge pump for pumping oil, a first actuator for controlling displacement of the scavenge pump, a variable displacement pressure pump for pumping oil, a second actuator for controlling displacement of the pressure pump, and a drive shaft. Both the scavenge pump and the pressure pump are driven by the drive shaft.

Abstract: An industrial truck has a vehicle frame (1), a lifting framework (4) attached to the vehicle frame (1) and two wheel arms which extend in the horizontal direction. The wheel arm is connected to the vehicle frame (1) and at the free end of which at least one running wheel (3) is arranged. Each wheel arm has a first longitudinal structural part (2) which is a component of the vehicle frame (1) and has a second longitudinal structural part (5) which is a component of the lifting framework (4). The running wheel (3) is arranged on the first longitudinal structural part (2).

Abstract: The present invention relates to a braking apparatus and an elevator system comprising the braking apparatus for grasping or gripping a hoisting rope of the elevator. The system comprises a pair of brake shoes, a motorized rotatable camshaft with at least one cam surface for pressing against a push plate to compress a spring means and keep the shoes apart or when the motor is disengaged cause the cam shaft to not push on the push plate such that the springs expand cause the brake shoes to come together and grip the hoisting rope.

Abstract: A rotation urging mechanism includes: an outer member which has an outer raceway surface on its inner periphery and is rotatable about a first axis; an inner member which has on its outer periphery an inner raceway surface disposed in face-to-face relation to a radially inner side of the outer raceway surface over an entire circumference thereof and is rotatable about the first axis; and a plurality of balls disposed rollably between the outer raceway surface and the inner raceway surface. The outer raceway surface is formed about a second axis which is inclined with respect to the first axis, and the inner raceway surface is formed about a third axis which is inclined with respect to the first axis.

Abstract: A chain tensioner has a plunger (14) slidably fitted in a bottomed cylinder (12) formed in a housing (11), and configured to resiliently urge the plunger (14) by a return spring (13) in the direction along which the plunger (14) is projected out from the cylinder (12), wherein the chain tensioner is configured to attach an engagement clip (19) to the opening of the cylinder (12), and to provide an engagement portion engageable with the engagement clip (19) to the end of the plunger (14) on the projection side thereof, so as to allow the engagement clip (19) and the engagement portion to engage with and disengage from each other corresponding to the position of rotation of the plunger (14).

Abstract: A portable automobile lift includes a plurality of portable lifting columns and a portable power unit. Each lifting column includes a column base, a post extending upwardly from the column base, a lifting carriage moveably mounted on a forward side of the post, and a hydraulic actuator connected to the lifting carriage for movement of the lifting carriage along the post. Each column base comprises a respective base plate connected to a lower end of the respective post. The base plate anchor bolt receiving holes extending therethrough for receiving respective anchor bolts. Each column base further includes a pair of wheels positioned to engage a ground surface rearward of the base plate. The lift also includes a portable power unit for providing hydraulic fluid to the actuators. The power unit is mounted on a cart for easy transportation and storage.

Abstract: A support for a non-automotive vehicle to be placed over a service pit and allow for servicing of the vehicle is disclosed. In addition, a process for servicing the vehicle is also disclosed. The support can include a support surface that has an engine access opening, a rolling mechanism attached to the support surface that affords for the support surface to roll over a surface at a predetermined height and at least one ramp attached to the support surface. The at least one ramp can be movable between a retracted position and an extended position and the support is dimensioned to roll over the service pit and allow for servicing of the non-automotive vehicle engine. In some instances, the support affords for the non-automotive vehicle to have its oil changed.

Abstract: A braking assembly used in a dispenser that dispenses a continuous supply of material such as paper. The braking assembly includes a support structure. A first fixed gear is rotatably connected to the support structure. A movable chassis is also connected to the support structure. A second movable gear is held by the chassis and moves with the chassis. Teeth of the first gear and teeth of the second gear intermesh with each other and allow the paper to pass therethrough. The chassis maintains the teeth of the first and second gears in contact with each other while enabling a distance between gears to be adjustable. The assembly further includes a braking mechanism that varies an amount of force required to rotate the gears.

Abstract: An automatic lubricant dispenser is detachably mounted on a bearing of a machine to continuously supply lubricant to the bearing. The dispenser includes a housing for storing the lubricant inside, a piston upwardly compressing the lubricant inside the housing, a spring installed at a bottom of the piston, for compressing and elastically supporting the piston, and a flow pipe installed vertically by extending through both the housing and the piston. The flow pipe is formed with an inflow hole on a top portion thereof and an inside hollow channel so that the lubricant compressed by the piston flows into the flow pipe and is then discharged into a bottom of the housing. An operator can voluntarily control the accurate flow amount of the fluent lubricant.

Abstract: Disclosed is an improved reel assembly for use in conjunction with an occupant restraint system. The assembly employs a dual locking arrangement whereby an occupant can be restrained during both major and minor incidents. After a major incident, the reel assembly remains locked until the occupant disengages the reel via a push button. After a minor incident, the reel assembly can be conveniently unlocked, without the need for accessing the push button, by applying counter tension to the webbing.

Abstract: An electric motor driven barrier operator includes spaced apart frame plates for supporting the motor, an intermediate drive shaft and an operator final output shaft. The motor output shaft, intermediate shaft and final output shaft are mounted on bearings at fixed centers on the frame plates and the motor and intermediate shaft are interconnected by a stretchable flexible drive belt reeved over respective drive pulleys mounted on the motor output shaft and the intermediate shaft. The drive belt may be mounted on the pulleys and replaced without adjusting the position of the motor output shaft, the intermediate shaft or the operator output shaft.

Abstract: A method and an adapter kit for fastening a first elevator component to a second elevator component. The kit comprises a first bracket having two opposing walls interconnected by a web configured for attachment to the first component wherein a slot extending parallel to the web is provided in each of the opposing walls. A second and a third bracket is provided each having two opposing walls interconnected by a web wherein a slot is provided in the web extending between the two opposing walls. The second and third brackets are mountable to the second component by their respective slots. The first bracket is mountable to the second and third brackets by the slots in its opposing walls when the first bracket is positioned such that its opposing walls lie adjacent to the opposing walls of the second and third brackets, respectively.